Home / 80,903,863.80-121,359,338.10-23,401,947.60

Finding the Fourth Proportional to 80,903,863.80, 121,359,338.10 and 23,401,947.60

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Solution

The fourth proportional to 80,903,863.80, 121,359,338.10 and 23,401,947.60 is: 35,103,946.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,903,863.80 : 121,359,338.10 = 23,401,947.60 : x
  2. Step 2: Convert to fraction form
    80,903,863.80/121,359,338.10 = 23,401,947.60/x
  3. Step 3: Cross multiply
    80,903,863.80x = 121,359,338.10 × 23,401,947.60
  4. Step 4: Simplify right side
    80,903,863.80x = 2,840,044,870,986,883.50
  5. Step 5: Solve for x
    x = 2,840,044,870,986,883.50/80,903,863.80
  6. Step 6: Final answer
    x = 35,103,946.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.